2012ApJ...759..114C


Query : 2012ApJ...759..114C

2012ApJ...759..114C - Astrophys. J., 759, 114 (2012/November-2)

What governs the bulk velocity of the jet components in active galactic nuclei?

CHAI B., CAO X. and GU M.

Abstract (from CDS):

We use a sample of radio-loud active galactic nuclei (AGNs) with measured black hole masses to explore the jet formation mechanisms in these sources. Based on Königl's inhomogeneous jet model, the jet parameters, such as the bulk motion Lorentz factor, magnetic field strength, and electron density in the jet, can be estimated with the very long baseline interferometry and X-ray data.. We find a significant correlation between black hole mass and the bulk Lorentz factor of the jet components for this sample, while no significant correlation is present between the bulk Lorentz factor and the Eddington ratio. The massive black holes will be spun up through accretion, as the black holes acquire mass and angular momentum simultaneously through accretion. Recent investigation indeed suggested that most supermassive black holes in elliptical galaxies have on average higher spins than the black holes in spiral galaxies, where random, small accretion episodes (e.g., tidally disrupted stars, accretion of molecular clouds) might have played a more important role. If this is true, then the correlation between black hole mass and the bulk Lorentz factor of the jet components found in this work implies that the motion velocity of the jet components is probably governed by the black hole spin. No correlation is found between the magnetic field strength at 10RS(RS= 2GM/c 2 is the Schwarzschild radius) in the jets and the bulk Lorentz factor of the jet components for this sample. This is consistent with the black hole spin scenario, i.e., the faster moving jets are magnetically accelerated by the magnetic fields threading the horizon of more rapidly rotating black holes. The results imply that the Blandford-Znajek mechanism may dominate over the Blandford-Payne mechanism for the jet acceleration, at least in these radio-loud AGNs.

Abstract Copyright:

Journal keyword(s): galaxies: active - galaxies: jets - galaxies: magnetic fields

Simbad objects: 103

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Number of rows : 103
N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2023
#notes
1 Mrk 1501 Sy1 00 10 31.0059809184 +10 58 29.506054872   15.96 15.40 12.22   ~ 685 0
2 QSO B0016+73 QSO 00 19 45.7863851568 +73 27 30.018073212     19.0 18.26   ~ 284 1
3 5C 3.50 QSO 00 38 24.8414398200 +41 37 06.009470436   19.9 19.9 18.95   ~ 126 1
4 4C 01.02 Bla 01 08 38.7711625632 +01 35 00.318640596   18.54 18.39 19.05   ~ 504 1
5 QSO B0112-0142 QSO 01 15 17.0998793424 -01 27 04.579324416   17 17.235 17.81   ~ 211 1
6 2E 437 Sy1 01 36 24.4208152464 +20 57 27.522990972   18.15 18.10     ~ 352 2
7 QSO B0133+476 Bla 01 36 58.5947351640 +47 51 29.099491848     18.0 19.25 15.21 ~ 471 1
8 QSO B0153+744 BLL 01 57 34.9650498168 +74 42 43.225049844   16 16.0 16.7   ~ 204 1
9 4C 15.05 Bla 02 04 50.41389571 +15 14 11.0436591   21.9 22.1 21.00   ~ 387 1
10 QSO B0208-512 BLL 02 10 46.2004407600 -51 01 01.893013392   17.10 16.93 14.82   ~ 415 1
11 6C 021252+733537 BLL 02 17 30.8129232696 +73 49 32.622815712     19.0 18.97   ~ 428 1
12 3C 66A BLL 02 22 39.6114771888 +43 02 07.799534304   15.71 15.21 14.5   ~ 850 1
13 QSO B0235+1624 BLL 02 38 38.9300958576 +16 36 59.276150136   16.46 15.50 15.92   ~ 1466 2
14 3C 84 Sy2 03 19 48.1599902040 +41 30 42.108850836   13.10 12.48 11.09   ~ 3830 3
15 4C 32.14 QSO 03 36 30.1074972672 +32 18 29.341371132     17.50 16.6   ~ 615 1
16 QSO B0336-0156 QSO 03 39 30.9376270008 -01 46 35.803797420   18.96 18.41 17.33   ~ 529 1
17 QSO B0420-0127 QSO 04 23 15.8007747432 -01 20 33.063518580   17.50 17.00 16.28   ~ 1143 3
18 Mrk 1506 Sy1 04 33 11.0956735296 +05 21 15.619461552   15.72 15.05 10.08   ~ 1938 2
19 QSO B0440-003 QSO 04 42 38.6605722792 -00 17 43.421193564   19.59 19.22 17.85   ~ 375 1
20 4C -02.19 QSO 05 01 12.8099394264 -01 59 14.258630148   19.1 18.4 19.04   ~ 550 1
21 QSO J0530+13 Bla 05 30 56.4168902136 +13 31 55.151893344     20.0 19.35   ~ 918 1
22 QSO B0605-0834 BLL 06 07 59.6994046176 -08 34 49.980131256     18.5 17.70   ~ 423 1
23 QSO B0607-157 QSO 06 09 40.9493089944 -15 42 40.667570496   18.47 18.0 19.90   ~ 300 1
24 QSO J0635-7516 QSO 06 35 46.5079301472 -75 16 16.816418256   15.96 15.75 15.82   ~ 552 1
25 8C 0716+714 BLL 07 21 53.4482942664 +71 20 36.363846516   15.5 14.17 14.27   ~ 1230 1
26 ICRF J072810.8+674847 Sy1 07 28 10.8959197752 +67 48 47.035805652     18.0     ~ 201 1
27 QSO J0738+1742 BLL 07 38 07.3935719136 +17 42 18.998218764   16.76 16.22 15.78   ~ 951 1
28 QSO B0736+01 QSO 07 39 18.0339358560 +01 37 04.618841340   16.90 16.47 16.19   ~ 655 1
29 ICRF J074110.7+311200 Sy1 07 41 10.7033429280 +31 12 00.230596416   17.02 16.89 16.322   ~ 431 1
30 QSO B0745+241 QSO 07 48 36.1087026816 +24 00 24.109630416   19.70 18.89 17.88   ~ 193 1
31 QSO B0748+126 QSO 07 50 52.0455280992 +12 31 04.828034820   17.67 17.28 17.16   ~ 305 1
32 QSO B0754+10 BLL 07 57 06.6427726320 +09 56 34.848603888   15.43 15.00 15.99   ~ 421 1
33 7C 080458.39+495918.00 QSO 08 08 39.6660148632 +49 50 36.535256700   19.55 19.18 18.34   ~ 340 2
34 QSO B0823+033 BLL 08 25 50.3384535600 +03 09 24.523229736   17.81 17.23 16.91   ~ 308 1
35 7C 082754.29+242103.00 QSO 08 30 52.0861432224 +24 10 59.822369580   17.62 17.26 16.30   ~ 492 1
36 QSO B0829+047 BLL 08 31 48.8770033992 +04 29 39.086842884   17.10 16.4 14.55   ~ 445 2
37 4C 71.07 QSO 08 41 24.3652863600 +70 53 42.171665460     16.5 16.8   ~ 734 1
38 4C 58.17 QSO 08 54 41.9965316472 +57 57 29.939360472   18.56 18.18 17.43   ~ 221 1
39 QSO J0854+2006 BLL 08 54 48.8749846272 +20 06 30.639583620   15.91 15.43 15.56   ~ 2207 1
40 QSO J0902-1415 QSO 09 02 16.8308887080 -14 15 30.874458132   16.79 16.59 16.4   ~ 229 1
41 4C 01.24B QSO 09 09 10.0916000808 +01 21 35.617899600   17.63 17.29 17.04   ~ 397 2
42 ICRF J090933.4+425346 Sy2 09 09 33.4981341384 +42 53 46.454750376   19.98 19.42 18.220   ~ 481 0
43 6C 091740+445437 Bla 09 20 58.4583974280 +44 41 53.986407072   18.40 18.16 16.55   ~ 352 1
44 ICRF J092703.0+390220 Sy1 09 27 03.0138528936 +39 02 20.850343332   17.17 17.00 16.486   ~ 968 1
45 4C 40.24 QSO 09 48 55.3382263320 +40 39 44.589392532   18.31 18.02 17.85   ~ 324 1
46 ICRF J095649.8+251516 Sy1 09 56 49.8756920040 +25 15 16.049435040   17.46 17.21 17.96   ~ 303 1
47 6C 095456+654857 BLL 09 58 47.2451872176 +65 33 54.819354600     17.0 15.75   ~ 665 1
48 ICRF J101447.0+230116 Sy1 10 14 47.0656249344 +23 01 16.569849468   17.85 17.78 16.22   ~ 188 1
49 7C 1015+3557 Bla 10 18 10.9882954032 +35 42 39.437279604   18.62 18.07 17.65   ~ 162 1
50 4C 12.37 QSO 10 42 44.6052783816 +12 03 31.263917976   18.03 17.77     ~ 420 2
51 4C 01.28 BLL 10 58 29.6054370384 +01 33 58.820502924   18.74 18.28 16.68   ~ 725 2
52 Mrk 421 BLL 11 04 27.3140835504 +38 12 31.798495872   13.50 12.90 8.31   ~ 2550 1
53 QSO J1130-1449 QSO 11 30 07.0523452128 -14 49 27.388021944   17.17 16.90 16 16.97 ~ 668 1
54 QSO B1128+385 QSO 11 30 53.2825598016 +38 15 18.551693556   19.11 18.80 19.42   ~ 188 1
55 2E 2503 Sy1 11 39 57.0254367168 +65 47 49.483232880   16.50 16.32     ~ 505 1
56 Ton 599 QSO 11 59 31.8338889192 +29 14 43.826803116   14.80 14.41 17.652 13.39 ~ 864 1
57 7C 1219+2830 BLL 12 21 31.6904439888 +28 13 58.500308172   16.81 16.11 14.24   ~ 824 1
58 4C 21.35 Bla 12 24 54.4583146056 +21 22 46.385507388   17.56 17.50 18.2   ~ 639 2
59 3C 273 BLL 12 29 06.6998257176 +02 03 08.597629980   13.05 14.830 14.11   ~ 5613 1
60 3C 279 Bla 12 56 11.1663795384 -05 47 21.528432492   18.01 17.75 15.87   ~ 2906 2
61 ICRF J130533.0-103319 Sy1 13 05 33.0150535680 -10 33 19.430383680   15.18 15.23 14.46   ~ 549 1
62 7C 1308+3236 BLL 13 10 28.6639899312 +32 20 43.774028664   15.61 15.24 17.91   ~ 808 1
63 QSO B1334-127 QSO 13 37 39.7829208840 -12 57 24.693846264   18.5 18.5 16.22   ~ 462 1
64 ICRF J134733.3+121724 Sy2 13 47 33.3634536792 +12 17 24.214209216   19.28 18.44 15.718   ~ 559 3
65 QSO B1406-076 QSO 14 08 56.4814523928 -07 52 26.671164168   20.3 18.4     ~ 289 1
66 ICRF J145907.5+714019 Sy1 14 59 07.5837714816 +71 40 19.865104068   17.24 16.78 17.2   ~ 475 1
67 4C -05.64 QSO 15 10 53.5915864584 -05 43 07.417490736   17.44 17.21     ~ 205 1
68 QSO J1512-0906 Bla 15 12 50.5330369584 -09 05 59.830296360   16.74 16.54     ~ 1247 1
69 QSO B1532+016 QSO 15 34 52.4540983176 +01 31 04.205615016   19.0 18.5 18.58   ~ 181 2
70 QSO B1546+0246 Bla 15 49 29.4369280464 +02 37 01.161302952   17.57 17.42 15.53   ~ 335 1
71 4C 10.45 QSO 16 08 46.2032041032 +10 29 07.779419592   18.5 18.0 18.03   ~ 358 1
72 6C 161147+342017 QSO 16 13 41.0642858568 +34 12 47.910181572   17.98 17.46 17.07   ~ 605 1
73 2E 3648 Sy1 16 20 21.8185395384 +17 36 23.952361176   16.53 16.41 20.5   ~ 403 2
74 QSO B1622-297 Bla 16 26 06.0209027208 -29 51 26.968763916   18.41 20.5 17.6   ~ 394 0
75 NGC 6251 Sy2 16 32 31.9740654384 +82 32 16.403167068 15.24 14.66 12.89 7.62   ~ 699 0
76 4C 38.41 QSO 16 35 15.4928147784 +38 08 04.499799360   18.14 17.97 17.25   ~ 812 1
77 4C 69.21 QSO 16 42 07.8484347528 +68 56 39.767837172   19.723   19.219   ~ 291 1
78 3C 345 QSO 16 42 58.8102993888 +39 48 37.002763188   16.81 16.59 16.84   ~ 1646 2
79 4C 39.49 BLL 16 53 52.2160772976 +39 45 36.613228860 14.09 14.15 13.29 8.26   ~ 2049 2
80 QSO J1658+0741 QSO 16 58 09.0115232160 +07 41 27.544209360   19.993 19.5 19.598   ~ 161 1
81 QSO J1658+0515 QSO 16 58 33.4471896264 +05 15 16.442476596   17.00 16.54 16.21   ~ 215 1
82 ICRF J172320.7+341757 Sy1 17 23 20.7958610952 +34 17 57.967381860   15.58 15.46     ~ 293 1
83 QSO B1730-130 QSO 17 33 02.7055087032 -13 04 49.545516612   18 18.5 18.78 17.39 ~ 1078 1
84 7C 1749+7006 BLL 17 48 32.8402992264 +70 05 50.768819304   17.46 17.01 15.48   ~ 406 1
85 4C 09.57 BLL 17 51 32.8186120872 +09 39 00.728629416   17.46 16.78 15.57   ~ 892 1
86 8C 1803+784 BLL 18 00 45.6838528560 +78 28 04.018028016   16.4 16.4 15.46   ~ 705 1
87 3C 371 BLL 18 06 50.6802916920 +69 49 28.109609256   14.77 14.22 11.39   ~ 822 2
88 4C 56.27 BLL 18 24 07.0679485560 +56 51 01.479645612   18.9 18.4 16.48   ~ 457 1
89 ICRF J182931.7+484446 Sy1 18 29 31.7809732968 +48 44 46.160168892   17.05 16.81 16.860   ~ 664 1
90 ICRF J184208.9+794617 Sy1 18 42 08.9904975672 +79 46 17.127835104   16.06 15.38     ~ 1267 0
91 QSO B1921-293 BLL 19 24 51.0555700728 -29 14 30.118109640   18.71 18.21 15.07   ~ 793 0
92 4C 73.18 BLL 19 27 48.4947009120 +73 58 01.572558816     15.5 15.11   ~ 510 2
93 NAME Cyg A Sy2 19 59 28.35645829 +40 44 02.0966496   16.22 15.10     ~ 2268 2
94 4C -02.81 BLL 21 34 10.3103777568 -01 53 17.234980584   18.6 19.0 18.87   ~ 352 1
95 QSO B2134+0028 QSO 21 36 38.5863558336 +00 41 54.211758468   17.30 17.08 17.02   ~ 546 2
96 4C 06.69 QSO 21 48 05.4586454304 +06 57 38.602799388   16.85 16.47 15.06   ~ 634 1
97 NAME BL Lac BLL 22 02 43.2913536816 +42 16 39.979416792   15.66 14.72     ~ 2156 1
98 4C 31.63 BLL 22 03 14.9756830008 +31 45 38.269473228   15.85 15.58 14.33   ~ 475 1
99 3C 446 BLL 22 25 47.2594205952 -04 57 01.390436856   18.83 18.39 16.3   ~ 797 1
100 4C 11.69 QSO 22 32 36.4089639768 +11 43 50.904601176   17.75 17.33     ~ 1059 2
101 QSO J2246-1206 QSO 22 46 18.2322488304 -12 06 51.278055084   16.63 16.45 15.99   ~ 272 1
102 3C 454.3 Bla 22 53 57.7480438728 +16 08 53.561508864   16.57 16.10 15.22   ~ 2717 2
103 QSO B2345-167 QSO 23 48 02.6085903648 -16 31 12.023178096   18.00 18.41 16.86   ~ 379 1

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2022.11.26-10:36:17

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